Represents the method that handles the DisplayInvalidated event.

[Visual Basic .NET]
Public Delegate Sub DisplayInvalidatedEventHandler ( _
    ByVal Display As IDisplay, _
    ByVal rect As IEnvelope, _
    ByVal erase As Boolean, _
    ByVal cacheID As Short _
)

[C#]
public delegate void DisplayInvalidatedEventHandler (
    IDisplay Display,
    IEnvelope rect,
    bool erase,
    short cacheID
);